JP6885883B2 - イントラ予測およびイントラモードコーディング - Google Patents

イントラ予測およびイントラモードコーディング Download PDF

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JP6885883B2
JP6885883B2 JP2017564705A JP2017564705A JP6885883B2 JP 6885883 B2 JP6885883 B2 JP 6885883B2 JP 2017564705 A JP2017564705 A JP 2017564705A JP 2017564705 A JP2017564705 A JP 2017564705A JP 6885883 B2 JP6885883 B2 JP 6885883B2
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intra
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JP2018523372A (ja
JP2018523372A5 (OSRAM
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シン・ジャオ
ジエンレ・チェン
リ・ジャン
マルタ・カルチェヴィッチ
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クアルコム，インコーポレイテッド
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/174—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a slice, e.g. a line of blocks or a group of blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/182—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a pixel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2017564705A 2015-06-18 2016-06-17 イントラ予測およびイントラモードコーディング Active JP6885883B2 (ja)

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US201562181744P 2015-06-18 2015-06-18
US62/181,744 2015-06-18
US201562192310P 2015-07-14 2015-07-14
US62/192,310 2015-07-14
US15/184,103 US20160373770A1 (en) 2015-06-18 2016-06-16 Intra prediction and intra mode coding
US15/184,103 2016-06-16
PCT/US2016/038182 WO2016205712A1 (en) 2015-06-18 2016-06-17 Intra prediction and intra mode coding

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CN (1) CN107743705B (OSRAM)
AU (1) AU2016278991A1 (OSRAM)
BR (1) BR112017027269A2 (OSRAM)
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021083122A (ja) * 2015-06-18 2021-05-27 クアルコム，インコーポレイテッド イントラ予測およびイントラモードコーディング

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10142627B2 (en) 2015-06-18 2018-11-27 Qualcomm Incorporated Intra prediction and intra mode coding
US10841593B2 (en) 2015-06-18 2020-11-17 Qualcomm Incorporated Intra prediction and intra mode coding
US11463689B2 (en) 2015-06-18 2022-10-04 Qualcomm Incorporated Intra prediction and intra mode coding
WO2017138393A1 (en) 2016-02-08 2017-08-17 Sharp Kabushiki Kaisha Systems and methods for intra prediction coding
CN113810699B (zh) * 2016-04-29 2024-05-14 世宗大学校产学协力团 用于对图像信号进行编码和解码的方法和装置
US10440391B2 (en) * 2016-08-05 2019-10-08 Mediatek Inc. Method and apparatus of video coding
EP4221218A3 (en) * 2016-12-23 2023-11-15 Huawei Technologies Co., Ltd. An encoding apparatus for signaling an extension directional intra-prediction mode within a set of directional intra-prediction modes
TWI616090B (zh) * 2017-06-26 2018-02-21 元智大學 使用運算資料共用的高效率視訊編碼畫面內預測方法及其架構
JP7147145B2 (ja) * 2017-09-26 2022-10-05 富士通株式会社 動画像符号化装置、動画像符号化方法、及び動画像符号化プログラム
JP7165192B2 (ja) * 2017-11-17 2022-11-02 鴻穎創新有限公司 調整済みイントラモードリストに基づいてビデオデータを符号化するための装置および方法
US20190268611A1 (en) * 2018-02-26 2019-08-29 Mediatek Inc. Intelligent Mode Assignment In Video Coding
US11611757B2 (en) * 2018-04-02 2023-03-21 Qualcomm Incorproated Position dependent intra prediction combination extended with angular modes
WO2019199149A1 (ko) * 2018-04-14 2019-10-17 엘지전자 주식회사 인트라 예측 모드 기반 영상 처리 방법 및 이를 위한 장치
US10645381B2 (en) * 2018-04-30 2020-05-05 Google Llc Intra-prediction for smooth blocks in image/video
CN110213576B (zh) * 2018-05-03 2023-02-28 腾讯科技（深圳）有限公司 视频编码方法、视频编码装置、电子设备及存储介质
KR102519380B1 (ko) * 2018-06-29 2023-04-06 후아웨이 테크놀러지 컴퍼니 리미티드 비디오 이미지의 예측 블록의 인트라 예측을 위한 장치 및 방법
US11277644B2 (en) 2018-07-02 2022-03-15 Qualcomm Incorporated Combining mode dependent intra smoothing (MDIS) with intra interpolation filter switching
US10638161B2 (en) * 2018-07-13 2020-04-28 Tencent America LLC Methods and apparatus for most probable mode derivation
US10630979B2 (en) * 2018-07-16 2020-04-21 Tencent America LLC Reference sample padding and filtering for intra prediction in video compression
WO2020055291A1 (en) * 2018-09-13 2020-03-19 Huawei Technologies Co., Ltd. Method and apparatus for wide-angle intra-prediction
US10771778B2 (en) * 2018-09-14 2020-09-08 Tencent America LLC Method and device for MPM list generation for multi-line intra prediction
WO2020055292A1 (en) 2018-09-16 2020-03-19 Huawei Technologies Co., Ltd. Method and apparatus for prediction
US10469845B1 (en) 2018-09-21 2019-11-05 Tencent America, Llc Method and apparatus for intra mode coding
CN111108749A (zh) * 2018-09-25 2020-05-05 北京大学 编码方法、解码方法、编码设备和解码设备
CN117939122A (zh) * 2018-10-07 2024-04-26 三星电子株式会社 用于编码或解码视频信号的视频信号处理方法和设备
US11303885B2 (en) 2018-10-25 2022-04-12 Qualcomm Incorporated Wide-angle intra prediction smoothing and interpolation
US20200162737A1 (en) * 2018-11-16 2020-05-21 Qualcomm Incorporated Position-dependent intra-inter prediction combination in video coding
US11652984B2 (en) 2018-11-16 2023-05-16 Qualcomm Incorporated Position-dependent intra-inter prediction combination in video coding
US11438583B2 (en) * 2018-11-27 2022-09-06 Tencent America LLC Reference sample filter selection in intra prediction
CN113170098B (zh) 2018-12-07 2023-02-14 华为技术有限公司 视频译码的约束预测模式
CN111435993B (zh) * 2019-01-14 2022-08-26 华为技术有限公司 视频编码器、视频解码器及相应方法
KR102696718B1 (ko) 2019-02-01 2024-08-21 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 조합된 인트라-인터 예측의 확장된 적용
US12200202B2 (en) * 2019-02-21 2025-01-14 Lg Electronics Inc. Image decoding method and apparatus using intra prediction in image coding system
US11496748B2 (en) * 2019-03-21 2022-11-08 Tencent America LLC Method and apparatus for improved planar and DC modes for non-zero reference lines
CN117440173A (zh) 2019-03-21 2024-01-23 北京字节跳动网络技术有限公司 组合帧间帧内预测的改进的加权处理
EP4325863B1 (en) 2019-03-22 2024-12-11 LG Electronics Inc. Image decoding and encoding
CA3134398A1 (en) 2019-03-23 2020-10-01 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods for intra prediction
CN113170118B (zh) * 2019-03-24 2024-03-01 华为技术有限公司 视频译码中进行色度帧内预测的方法及装置
JP7303325B2 (ja) 2019-04-12 2023-07-04 北京字節跳動網絡技術有限公司 ビデオ処理方法、装置、記憶媒体、及び記憶方法
CN113748676B (zh) * 2019-04-16 2024-05-10 北京字节跳动网络技术有限公司 帧内编解码模式下的矩阵推导
CN113728640B (zh) 2019-04-23 2024-08-02 北京字节跳动网络技术有限公司 帧内预测和残差编解码
WO2020216255A1 (en) * 2019-04-25 2020-10-29 Mediatek Inc. Method and apparatus of encoding or decoding with mode dependent intra smoothing filter in intra prediction
CN117097912A (zh) 2019-05-01 2023-11-21 北京字节跳动网络技术有限公司 基于矩阵的帧内预测的上下文编码
WO2020221374A1 (en) 2019-05-02 2020-11-05 Beijing Bytedance Network Technology Co., Ltd. Intra video coding using multiple reference filters
WO2020228693A1 (en) * 2019-05-12 2020-11-19 Beijing Bytedance Network Technology Co., Ltd. Coding of multiple intra prediction methods
WO2020228761A1 (en) * 2019-05-14 2020-11-19 Beijing Bytedance Network Technology Co., Ltd. Filter selection for intra video coding
CN113875233B (zh) * 2019-05-22 2023-12-15 北京字节跳动网络技术有限公司 使用上采样的基于矩阵的帧内预测
CN113924775B (zh) * 2019-05-31 2023-11-14 北京字节跳动网络技术有限公司 基于矩阵的帧内预测中的限制的上采样
CN117768652A (zh) * 2019-06-05 2024-03-26 北京字节跳动网络技术有限公司 视频处理方法、装置、介质、以及存储比特流的方法
CA3112849C (en) * 2019-06-25 2023-10-17 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Image encoding method, image decoding method, encoder, decoder and storage medium
CN120751124A (zh) * 2019-06-25 2025-10-03 弗劳恩霍夫应用研究促进协会 使用基于矩阵的帧内预测和二次变换进行编码
CN114223200B (zh) * 2019-08-14 2023-11-17 北京字节跳动网络技术有限公司 位置相关帧内预测样点滤波
CN114287131B (zh) 2019-08-19 2025-05-23 北京字节跳动网络技术有限公司 基于计数器的帧内预测模式的更新
WO2021110568A1 (en) * 2019-12-05 2021-06-10 Interdigital Vc Holdings France, Sas Intra sub partitions for video encoding and decoding combined with multiple transform selection, matrix weighted intra prediction or multi-reference-line intra prediction
US11375231B2 (en) * 2020-01-14 2022-06-28 Tencent America LLC Method and apparatus for video coding
MX2023010538A (es) * 2021-03-11 2023-09-19 Guangdong Oppo Mobile Telecommunications Corp Ltd Metodo de intraprediccion, codificador, decodificador, y medio de almacenamiento.
JP7575355B2 (ja) * 2021-06-29 2024-10-29 Kddi株式会社 画像復号装置、画像復号方法及びプログラム

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2711203T3 (es) * 2007-06-29 2019-04-30 Velos Media Int Ltd Dispositivo de codificación de imágenes y dispositivo de decodificación de imágenes
US8750378B2 (en) * 2008-09-23 2014-06-10 Qualcomm Incorporated Offset calculation in switched interpolation filters
WO2012057528A2 (ko) * 2010-10-26 2012-05-03 ㈜휴맥스 적응적 화면내 예측 부호화 및 복호화 방법
KR101383775B1 (ko) * 2011-05-20 2014-04-14 주식회사 케이티 화면 내 예측 방법 및 장치
TWI552583B (zh) * 2011-06-28 2016-10-01 三星電子股份有限公司 用於畫面內預測編碼的方法及裝置以及用於畫面內預測解碼的方法及裝置
JP2013058939A (ja) * 2011-09-08 2013-03-28 Sharp Corp 画像復号装置、および画像符号化装置
KR20140129423A (ko) * 2013-04-29 2014-11-07 인텔렉추얼디스커버리 주식회사 인트라 예측 방법 및 장치
CN103248892A (zh) * 2013-05-07 2013-08-14 北京大学 一种帧内预测方法及装置
WO2015000168A1 (en) * 2013-07-05 2015-01-08 Mediatek Singapore Pte. Ltd. A simplified dc prediction method in intra prediction
KR101700410B1 (ko) * 2015-02-10 2017-01-26 주식회사 아리스케일 인트라 모드를 이용한 쿼터 픽셀 해상도를 갖는 영상 보간 방법 및 장치
CN104702962B (zh) * 2015-03-03 2019-04-16 华为技术有限公司 帧内编解码方法、编码器和解码器
US20160373770A1 (en) * 2015-06-18 2016-12-22 Qualcomm Incorporated Intra prediction and intra mode coding

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021083122A (ja) * 2015-06-18 2021-05-27 クアルコム，インコーポレイテッド イントラ予測およびイントラモードコーディング

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TW201717626A (zh) 2017-05-16
AU2016278991A1 (en) 2017-11-30
EP3311569A1 (en) 2018-04-25
JP2021083122A (ja) 2021-05-27
EP3311569B1 (en) 2021-10-06
ES2895717T3 (es) 2022-02-22
US20160373770A1 (en) 2016-12-22
KR20180019565A (ko) 2018-02-26
JP2018523372A (ja) 2018-08-16
BR112017027269A2 (pt) 2018-09-04
CN107743705B (zh) 2021-03-19
WO2016205712A1 (en) 2016-12-22
KR102430839B1 (ko) 2022-08-08
CN107743705A (zh) 2018-02-27

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